/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 * 
 *   http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */

package org.apache.s2graph.counter.util

object UnitConverter {
  def toMillis(ts: Int): Long = {
    ts * 1000L
  }

  def toMillis(ts: Long): Long = {
    if (ts <= Int.MaxValue) {
      ts * 1000
    } else {
      ts
    }
  }

  def toMillis(s: String): Long = {
    toMillis(s.toLong)
  }

  def toHours(ts: Long): Long = {
    toMillis(ts) / HOUR_MILLIS * HOUR_MILLIS
  }

  val HOUR_MILLIS = 60 * 60 * 1000
}
